Hishoshitsu No Himitsu
The first 4 stories are linked together
Houkago Men's Harem
Serie 2 about Aoba/Katsuragi and Yura. The are elected to the student council and the love trouble continues, with more interference.
Honnouteki ni Otoko
2 short stories
Retsujou Kyoumushitsu
Serie 1 about Takei Nobuhiro and Natsu Satomi. Natsu starts as a teacher in the school he graduated from 5 years earlier. Takei sensei subductied Natsu when he was a student. Natsu falls in love with Takei and is now back to win he's heard.
Atsui Karada Koisuru Karada
A student is in love with he's language teacher. He seeks help from a not'er teacher when he fell that the one he loves is angry at him. This teacher now's the truth about there feelings, and try's to come between them. He is black mailing the language teacher into a relationship, but they find out what he is us to. He is dumb. In the manga serie Erotic M there are a one shot, about the dumb teacher where he finds his love.
Renai Shoumei